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368899930668 = 2231753332
BaseRepresentation
bin1010101111001000010…
…01100011101000101100
31022021012021022011012010
411113210021203220230
522021001340240133
6441245325441220
735436453446643
oct5274411435054
91267167264163
10368899930668
111324a4436a65
125b5b3a10210
1328a3039cb59
1413bd79dc35a
1598e1423263
hex55e4263a2c

368899930668 has 18 divisors (see below), whose sum is σ = 860771414244. Its totient is φ = 122965942224.

The previous prime is 368899930643. The next prime is 368899930681. The reversal of 368899930668 is 866039998863.

It is a self number, because there is not a number n which added to its sum of digits gives 368899930668.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2016330 + ... + 2191662.

Almost surely, 2368899930668 is an apocalyptic number.

It is an amenable number.

368899930668 is an abundant number, since it is smaller than the sum of its proper divisors (491871483576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

368899930668 is an frugal number, since it uses more digits than its factorization.

368899930668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350673 (or 175338 counting only the distinct ones).

The product of its (nonzero) digits is 725594112, while the sum is 75.

Multiplying 368899930668 by its sum of digits (75), we get a square (27667494800100 = 52599902).

The spelling of 368899930668 in words is "three hundred sixty-eight billion, eight hundred ninety-nine million, nine hundred thirty thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 175333 350666 525999 701332 1051998 2103996 30741660889 61483321778 92224982667 122966643556 184449965334 368899930668